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Table 7 Agreement measures for common continuous variables from newborn charts (n = 1,142)

From: Validating the British Columbia Perinatal Data Registry: a chart re-abstraction study

Variable name

ICC (95 % CI)a,b

Newborn information

 

 1 min Apgar score

0.99 (0.99–0.99)

 5 min Apgar score

0.99 (0.99–0.99)

 10 min Apgar score

1.0 (1.0–1.0)

 Head circumference

0.96 (0.95 –0.96)

 Length

0.98 (0.98 –0.98)

 First temperature

0.86 (0.84–0.87)

 Gestational age from newborn examination

0.99 (0.99–0.99)

 Gestational age from maternal chart

1.0 (0.99–1.0)

 Stabilization - Oxygen days

0.88 (0.87–0.90)

 Stabilization - Ventilator days

0.86 (0.85–0.88)

 Stabilization - CPAP daysc

0.95 (0.95–0.96)

 TPN daysc

0.98 (0.98 –0.98)

 Discharge weight

0.99 (0.98 –0.99)

  1. aMeasure of validity based on weighted data
  2. bICC calculation based on records that were complete in both the BCPDR and reabstraction database; does not account for disagreement due to missing values
  3. cCPAP refers to continuous positive airway pressure and TPN denotes total parenteral nutrition